Bài 7:

1. was

2. were

3. is

4. was 

5. was ... was

6. are ... were

7.  is

8. Were

Bài 8:

1. She didn't buy a new dress yesterday.

Did she buy a new dress yesterday?

2. They weren't late for school.

Were they late for school?

3. She didn't go to a book store yesterday?

Did she go to a book store yesterday?

4. I didn't drive carelessly last week.

Did you drive carelessly last week?

5. I wasn't ill last week.

Were you ill last week?

6. He didn't stop his car to take a photograph.

Did he stop his car to take a photograph.

7. She didn't wait for you two hours ago

Did she wait for you two hours ago?

8. She didn't live in New York in 2009.

Did she live in New York in 2009?

9. It wasn't rain hevily two day ago.

Was is rain hevily two day ago?

10. He didn't finish his homework lát night.

Did he finish his homework lát night.

Chúc bạn học tốt. Xin 5 sao và CTLHN.

=>
7/
1. was
2. were
3. is
4. was
5. was/was
6. are/were
7. is
8. Were

8/
1. She didn't buy a new dress yesterday.
Did she buy a new dress yesterday?
2. They were not late for school.
Were they late for school?
3. She didn't go to bookstore yesterday.
Did she go to a bookstore yesterday?
4. I didn't drive carelessly last week.
Did you drive carelessly last week?
5. I was not ill last week.
Were you ill last week?
6. He didn't stop his car to take a photograph.
Did he stop his car to take a photograph?
7. She didn't wait for you two hours ago.
Did she wait for you two hours ago?

9. It didn't rain heavily two days ago.
Did it rain heavily two days ago?
10.  He didn't finish his homework last night.
Did he finish his homework last night?